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NALASPPMTA04.qualcomm.com (PPS) with ESMTPS id 3k7nxkw7ek-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 19 Oct 2022 22:37:43 +0000 Received: from NALASPPMTA04.qualcomm.com (NALASPPMTA04.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 29JMbg69029720; Wed, 19 Oct 2022 22:37:42 GMT Received: from hu-devc-lv-u18-c.qualcomm.com (hu-tsimpson-lv.qualcomm.com [10.47.235.220]) by NALASPPMTA04.qualcomm.com (PPS) with ESMTP id 29JMbgB8029714; Wed, 19 Oct 2022 22:37:42 +0000 Received: by hu-devc-lv-u18-c.qualcomm.com (Postfix, from userid 47164) id C10405000B9; Wed, 19 Oct 2022 15:37:41 -0700 (PDT) From: Taylor Simpson To: qemu-devel@nongnu.org Cc: tsimpson@quicinc.com, richard.henderson@linaro.org, philmd@linaro.org, ale@rev.ng, anjo@rev.ng, bcain@quicinc.com, quic_mathbern@quicinc.com Subject: [PATCH 6/8] Hexagon (target/hexagon) Add overrides for various forms of jump Date: Wed, 19 Oct 2022 15:37:37 -0700 Message-Id: <20221019223739.3868-7-tsimpson@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221019223739.3868-1-tsimpson@quicinc.com> References: <20221019223739.3868-1-tsimpson@quicinc.com> MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: wqiBRJjJdPN2AM79nAhn2gKhWgEmT6C0 X-Proofpoint-GUID: wqiBRJjJdPN2AM79nAhn2gKhWgEmT6C0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-10-19_12,2022-10-19_04,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=836 spamscore=0 malwarescore=0 clxscore=1015 phishscore=0 mlxscore=0 bulkscore=0 impostorscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210190125 Received-SPF: pass client-ip=205.220.168.131; envelope-from=tsimpson@qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Taylor Simpson --- target/hexagon/gen_tcg.h | 190 +++++++++++++++++++++++++++++++++++++++ target/hexagon/genptr.c | 75 ++++++++++++++++ 2 files changed, 265 insertions(+) diff --git a/target/hexagon/gen_tcg.h b/target/hexagon/gen_tcg.h index b56b216110..dbafcae2de 100644 --- a/target/hexagon/gen_tcg.h +++ b/target/hexagon/gen_tcg.h @@ -797,6 +797,196 @@ #define fGEN_TCG_J4_tstbit0_fp1_jump_t(SHORTCODE) \ gen_cmpnd_tstbit0_jmp(ctx, pkt, insn, 1, false, RsV, riV) +#define fGEN_TCG_J2_jump(SHORTCODE) \ + gen_jump(ctx, pkt, riV) +#define fGEN_TCG_J2_jumpr(SHORTCODE) \ + gen_jumpr(ctx, pkt, RsV) +#define fGEN_TCG_J4_jumpseti(SHORTCODE) \ + do { \ + tcg_gen_movi_tl(RdV, UiV); \ + gen_jump(ctx, pkt, riV); \ + } while (0) + +#define fGEN_TCG_cond_jump(COND) \ + do { \ + TCGv LSB = tcg_temp_new(); \ + COND; \ + gen_cond_jump(ctx, pkt, LSB, riV); \ + tcg_temp_free(LSB); \ + } while (0) + +#define fGEN_TCG_J2_jumpt(SHORTCODE) \ + fGEN_TCG_cond_jump(fLSBOLD(PuV)) +#define fGEN_TCG_J2_jumptpt(SHORTCODE) \ + fGEN_TCG_cond_jump(fLSBOLD(PuV)) +#define fGEN_TCG_J2_jumpf(SHORTCODE) \ + fGEN_TCG_cond_jump(fLSBOLDNOT(PuV)) +#define fGEN_TCG_J2_jumpfpt(SHORTCODE) \ + fGEN_TCG_cond_jump(fLSBOLDNOT(PuV)) +#define fGEN_TCG_J2_jumptnew(SHORTCODE) \ + gen_cond_jump(ctx, pkt, PuN, riV) +#define fGEN_TCG_J2_jumptnewpt(SHORTCODE) \ + gen_cond_jump(ctx, pkt, PuN, riV) +#define fGEN_TCG_J2_jumpfnewpt(SHORTCODE) \ + fGEN_TCG_cond_jump(fLSBNEWNOT(PuN)) +#define fGEN_TCG_J2_jumpfnew(SHORTCODE) \ + fGEN_TCG_cond_jump(fLSBNEWNOT(PuN)) +#define fGEN_TCG_J2_jumprz(SHORTCODE) \ + fGEN_TCG_cond_jump(tcg_gen_setcondi_tl(TCG_COND_NE, LSB, RsV, 0)) +#define fGEN_TCG_J2_jumprzpt(SHORTCODE) \ + fGEN_TCG_cond_jump(tcg_gen_setcondi_tl(TCG_COND_NE, LSB, RsV, 0)) +#define fGEN_TCG_J2_jumprnz(SHORTCODE) \ + fGEN_TCG_cond_jump(tcg_gen_setcondi_tl(TCG_COND_EQ, LSB, RsV, 0)) +#define fGEN_TCG_J2_jumprnzpt(SHORTCODE) \ + fGEN_TCG_cond_jump(tcg_gen_setcondi_tl(TCG_COND_EQ, LSB, RsV, 0)) +#define fGEN_TCG_J2_jumprgtez(SHORTCODE) \ + fGEN_TCG_cond_jump(tcg_gen_setcondi_tl(TCG_COND_GE, LSB, RsV, 0)) +#define fGEN_TCG_J2_jumprgtezpt(SHORTCODE) \ + fGEN_TCG_cond_jump(tcg_gen_setcondi_tl(TCG_COND_GE, LSB, RsV, 0)) +#define fGEN_TCG_J2_jumprltez(SHORTCODE) \ + fGEN_TCG_cond_jump(tcg_gen_setcondi_tl(TCG_COND_LE, LSB, RsV, 0)) +#define fGEN_TCG_J2_jumprltezpt(SHORTCODE) \ + fGEN_TCG_cond_jump(tcg_gen_setcondi_tl(TCG_COND_LE, LSB, RsV, 0)) + +#define fGEN_TCG_cond_jumpr(COND) \ + do { \ + TCGv LSB = tcg_temp_new(); \ + COND; \ + gen_cond_jumpr(ctx, pkt, LSB, RsV); \ + tcg_temp_free(LSB); \ + } while (0) + +#define fGEN_TCG_J2_jumprt(SHORTCODE) \ + fGEN_TCG_cond_jumpr(fLSBOLD(PuV)) +#define fGEN_TCG_J2_jumprtpt(SHORTCODE) \ + fGEN_TCG_cond_jumpr(fLSBOLD(PuV)) +#define fGEN_TCG_J2_jumprf(SHORTCODE) \ + fGEN_TCG_cond_jumpr(fLSBOLDNOT(PuV)) +#define fGEN_TCG_J2_jumprfpt(SHORTCODE) \ + fGEN_TCG_cond_jumpr(fLSBOLDNOT(PuV)) +#define fGEN_TCG_J2_jumprtnew(SHORTCODE) \ + fGEN_TCG_cond_jumpr(fLSBNEW(PuN)) +#define fGEN_TCG_J2_jumprtnewpt(SHORTCODE) \ + fGEN_TCG_cond_jumpr(fLSBNEW(PuN)) +#define fGEN_TCG_J2_jumprfnew(SHORTCODE) \ + fGEN_TCG_cond_jumpr(fLSBNEWNOT(PuN)) +#define fGEN_TCG_J2_jumprfnewpt(SHORTCODE) \ + fGEN_TCG_cond_jumpr(fLSBNEWNOT(PuN)) +#define fGEN_TCG_J2_jumprfnewpt(SHORTCODE) \ + fGEN_TCG_cond_jumpr(fLSBNEWNOT(PuN)) + +/* + * New value compare & jump instructions + * if ([!]COND(r0.new, r1) jump:t address + * if ([!]COND(r0.new, #7) jump:t address + */ +#define fGEN_TCG_J4_cmpgt_t_jumpnv_t(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_GT, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpgt_t_jumpnv_nt(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_GT, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpgt_f_jumpnv_t(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_LE, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpgt_f_jumpnv_nt(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_LE, NsN, RtV, riV) + +#define fGEN_TCG_J4_cmpeq_t_jumpnv_t(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_EQ, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpeq_t_jumpnv_nt(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_EQ, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpeq_f_jumpnv_t(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_NE, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpeq_f_jumpnv_nt(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_NE, NsN, RtV, riV) + +#define fGEN_TCG_J4_cmplt_f_jumpnv_t(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_GE, NsN, RtV, riV) +#define fGEN_TCG_J4_cmplt_f_jumpnv_nt(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_GE, NsN, RtV, riV) + +#define fGEN_TCG_J4_cmpeqi_t_jumpnv_t(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_EQ, NsN, UiV, riV) +#define fGEN_TCG_J4_cmpeqi_t_jumpnv_nt(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_EQ, NsN, UiV, riV) +#define fGEN_TCG_J4_cmpeqi_f_jumpnv_t(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_NE, NsN, UiV, riV) +#define fGEN_TCG_J4_cmpeqi_f_jumpnv_nt(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_NE, NsN, UiV, riV) + +#define fGEN_TCG_J4_cmpgti_t_jumpnv_t(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_GT, NsN, UiV, riV) +#define fGEN_TCG_J4_cmpgti_t_jumpnv_nt(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_GT, NsN, UiV, riV) +#define fGEN_TCG_J4_cmpgti_f_jumpnv_t(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_LE, NsN, UiV, riV) +#define fGEN_TCG_J4_cmpgti_f_jumpnv_nt(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_LE, NsN, UiV, riV) + +#define fGEN_TCG_J4_cmpltu_t_jumpnv_t(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_LTU, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpltu_t_jumpnv_nt(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_LTU, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpltu_f_jumpnv_t(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_GEU, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpltu_f_jumpnv_nt(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_GEU, NsN, RtV, riV) + +#define fGEN_TCG_J4_cmpgtui_t_jumpnv_t(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_GTU, NsN, UiV, riV) +#define fGEN_TCG_J4_cmpgtui_t_jumpnv_nt(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_GTU, NsN, UiV, riV) +#define fGEN_TCG_J4_cmpgtui_f_jumpnv_t(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_LEU, NsN, UiV, riV) +#define fGEN_TCG_J4_cmpgtui_f_jumpnv_nt(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_LEU, NsN, UiV, riV) + +#define fGEN_TCG_J4_cmpgtu_t_jumpnv_t(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_GTU, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpgtu_t_jumpnv_nt(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_GTU, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpgtu_f_jumpnv_t(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_LEU, NsN, RtV, riV) +#define fGEN_TCG_J4_cmpgtu_f_jumpnv_nt(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_LEU, NsN, RtV, riV) + +#define fGEN_TCG_J4_cmplt_t_jumpnv_t(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_LT, NsN, RtV, riV) +#define fGEN_TCG_J4_cmplt_t_jumpnv_nt(SHORTCODE) \ + gen_cmp_jumpnv(ctx, pkt, TCG_COND_LT, NsN, RtV, riV) + +#define fGEN_TCG_J4_cmpeqn1_t_jumpnv_t(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_EQ, NsN, -1, riV) +#define fGEN_TCG_J4_cmpeqn1_t_jumpnv_nt(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_EQ, NsN, -1, riV) +#define fGEN_TCG_J4_cmpeqn1_f_jumpnv_t(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_NE, NsN, -1, riV) +#define fGEN_TCG_J4_cmpeqn1_f_jumpnv_nt(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_NE, NsN, -1, riV) + +#define fGEN_TCG_J4_cmpgtn1_t_jumpnv_t(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_GT, NsN, -1, riV) +#define fGEN_TCG_J4_cmpgtn1_t_jumpnv_nt(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_GT, NsN, -1, riV) +#define fGEN_TCG_J4_cmpgtn1_f_jumpnv_t(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_LE, NsN, -1, riV) +#define fGEN_TCG_J4_cmpgtn1_f_jumpnv_nt(SHORTCODE) \ + gen_cmpi_jumpnv(ctx, pkt, TCG_COND_LE, NsN, -1, riV) + +#define fGEN_TCG_J4_tstbit0_t_jumpnv_t(SHORTCODE) \ + gen_testbit0_jumpnv(ctx, pkt, true, NsN, riV) +#define fGEN_TCG_J4_tstbit0_t_jumpnv_nt(SHORTCODE) \ + gen_testbit0_jumpnv(ctx, pkt, true, NsN, riV) +#define fGEN_TCG_J4_tstbit0_f_jumpnv_t(SHORTCODE) \ + gen_testbit0_jumpnv(ctx, pkt, false, NsN, riV) +#define fGEN_TCG_J4_tstbit0_f_jumpnv_nt(SHORTCODE) \ + gen_testbit0_jumpnv(ctx, pkt, false, NsN, riV) + +/* r0 = r1 ; jump address */ +#define fGEN_TCG_J4_jumpsetr(SHORTCODE) \ + do { \ + tcg_gen_mov_tl(RdV, RsV); \ + gen_jump(ctx, pkt, riV); \ + } while (0) + #define fGEN_TCG_J2_pause(SHORTCODE) \ do { \ uiV = uiV; \ diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index 6e494c0bd8..fba76d3b38 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -456,6 +456,35 @@ static TCGv gen_8bitsof(TCGv result, TCGv value) return result; } +static void gen_write_new_pc_addr(DisasContext *ctx, Packet *pkt, + TCGv addr, TCGv pred) +{ + TCGLabel *pred_false = NULL; + if (pkt->pkt_has_multi_cof) { + if (pred != NULL) { + pred_false = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_EQ, pred, 0, pred_false); + } + /* If there are multiple branches in a packet, ignore the second one */ + tcg_gen_movcond_tl(TCG_COND_NE, hex_gpr[HEX_REG_PC], + hex_branch_taken, tcg_constant_tl(0), + hex_gpr[HEX_REG_PC], addr); + tcg_gen_movi_tl(hex_branch_taken, 1); + if (pred != NULL) { + gen_set_label(pred_false); + } + } else { + if (pred != NULL) { + pred_false = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_EQ, pred, 0, pred_false); + } + tcg_gen_mov_tl(hex_gpr[HEX_REG_PC], addr); + if (pred != NULL) { + gen_set_label(pred_false); + } + } +} + static void gen_write_new_pc_pcrel(DisasContext *ctx, Packet *pkt, int pc_off, TCGv pred) { @@ -496,6 +525,12 @@ static void gen_compare(TCGCond cond, TCGv res, TCGv arg1, TCGv arg2) tcg_gen_movcond_tl(cond, res, arg1, arg2, one, zero); } +static void gen_cond_jumpr(DisasContext *ctx, Packet *pkt, + TCGv pred, TCGv dst_pc) +{ + gen_write_new_pc_addr(ctx, pkt, dst_pc, pred); +} + static void gen_cond_jump(DisasContext *ctx, Packet *pkt, TCGv pred, int pc_off) { gen_write_new_pc_pcrel(ctx, pkt, pc_off, pred); @@ -562,6 +597,28 @@ static void gen_cmpnd_tstbit0_jmp(DisasContext *ctx, Packet *pkt, Insn *insn, } } +static void gen_testbit0_jumpnv(DisasContext *ctx, Packet *pkt, + bool sense, TCGv arg, int pc_off) +{ + TCGv pred = tcg_temp_new(); + tcg_gen_andi_tl(pred, arg, 1); + if (!sense) { + tcg_gen_xori_tl(pred, pred, 1); + } + gen_cond_jump(ctx, pkt, pred, pc_off); + tcg_temp_free(pred); +} + +static void gen_jump(DisasContext *ctx, Packet *pkt, int pc_off) +{ + gen_write_new_pc_pcrel(ctx, pkt, pc_off, NULL); +} + +static void gen_jumpr(DisasContext *ctx, Packet *pkt, TCGv new_pc) +{ + gen_write_new_pc_addr(ctx, pkt, new_pc, NULL); +} + static void gen_call(DisasContext *ctx, Packet *pkt, int pc_off) { TCGv next_PC = @@ -589,6 +646,24 @@ static void gen_cond_call(DisasContext *ctx, Packet *pkt, gen_set_label(skip); } +static void gen_cmp_jumpnv(DisasContext *ctx, Packet *pkt, + TCGCond cond, TCGv val, TCGv src, int pc_off) +{ + TCGv pred = tcg_temp_new(); + tcg_gen_setcond_tl(cond, pred, val, src); + gen_cond_jump(ctx, pkt, pred, pc_off); + tcg_temp_free(pred); +} + +static void gen_cmpi_jumpnv(DisasContext *ctx, Packet *pkt, + TCGCond cond, TCGv val, int src, int pc_off) +{ + TCGv pred = tcg_temp_new(); + tcg_gen_setcondi_tl(cond, pred, val, src); + gen_cond_jump(ctx, pkt, pred, pc_off); + tcg_temp_free(pred); +} + static intptr_t vreg_src_off(DisasContext *ctx, int num) { intptr_t offset = offsetof(CPUHexagonState, VRegs[num]);